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TI-2026-56550 Aliases CVE-2026-81944GHSA-xx65-qr94-rrw9

PLANET IGS-5225-8P2T4S V1/V2 Stack-Based Buffer Overflow via Web Server

Priority LOW 37CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

PLANET IGS-5225-8P2T4S industrial managed switch V1 and V2 firmware versions before 1.2412b260707 and 2.2412b260519 contain a stack-based buffer overflow in the web server. Insufficient bounds checking on data copied into a stack buffer allows a remote authenticated attacker to cause a denial of service or potentially execute arbitrary code on the underlying operating system.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0071 53rd percentileScored 2026-11-07
Fix Fixed PLANET IGS-5225-8P2T4S V1 (PLANET Technology Corp.): 1.2412b260707PLANET IGS-5225-8P2T4S V2 (PLANET Technology Corp.): 2.2412b260519

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PLANET Technology Corp.PLANET IGS-5225-8P2T4S V1before 1.2412b2607071.2412b260707Patch availableCNA
PLANET Technology Corp.PLANET IGS-5225-8P2T4S V2before 2.2412b2605192.2412b260519Patch availableCNA
  • PLANET IGS-5225-8P2T4S V1 VendorPLANET Technology Corp. Affected before 1.2412b260707 Fixed in 1.2412b260707 Patch available CNA
  • PLANET IGS-5225-8P2T4S V2 VendorPLANET Technology Corp. Affected before 2.2412b260519 Fixed in 2.2412b260519 Patch available CNA

Remediation

  • Fix · CNA PLANET IGS-5225-8P2T4S V1 (PLANET Technology Corp.) Fixed in 1.2412b260707
  • Fix · CNA PLANET IGS-5225-8P2T4S V2 (PLANET Technology Corp.) Fixed in 2.2412b260519

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    PLANET IGS-5225-8P2T4S V1, PLANET IGS-5225-8P2T4S V2 — planet.com.tw/en/support/security-advisory/11

    5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2026-56548 PLANET IGS-5225-8P2T4S V1/V2 OS Command Injection via Web ServerPriority MEDIUM 43
    • TI-2026-56549 PLANET IGS-5225-8P2T4S V1/V2 Debug Mode RCEPriority LOW 38
    • TI-2026-56551 PLANET IGS-5225-8P2T4S V1/V2 Admin Stack-Based Buffer Overflow via Web ServerPriority LOW 36
    Show all 5 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-81944
  2. 2026-10-03 Alias added: GHSA-xx65-qr94-rrw9

References

Patch 1

  • TI-2024-34993 Planet Technology Planet WGS-804HPT Command Injection CVSS 4.0CRITICAL 9.3
  • TI-2025-29023 Planet Technology Network Products OS Command Injection CVSS 4.0CRITICAL 9.3
  • TI-2025-09152 Planet Technology｜Industrial Cellular Gateway - OS Command Injection CVSS 4.0CRITICAL 9.3
  • TI-2025-29024 Planet Technology Network Products OS Command Injection CVSS 4.0CRITICAL 9.3
  • TI-2024-32571 Planet Technology Planet WGS-804HPT Stack-based Buffer Overflow CVSS 4.0CRITICAL 9.3
  • TI-2024-07838 PLANET Technology switch devices - Missing Authentication for multiple HTTP routes CVSS 3.1CRITICAL 9.8
See all 37 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences